Search a number
-
+
2015042300 = 2252171185319
BaseRepresentation
bin111100000011011…
…0001101011111100
312012102122202101022
41320012301223330
513111322323200
6531541203312
7100635401615
oct17006615374
95172582338
102015042300
11944491117
12482a00538
1326161302b
14151892c0c
15bbd84885
hex781b1afc

2015042300 has 36 divisors (see below), whose sum is σ = 4629859920. Its totient is φ = 758603520.

The previous prime is 2015042299. The next prime is 2015042303. The reversal of 2015042300 is 32405102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015042303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590960 + ... + 594359.

It is an arithmetic number, because the mean of its divisors is an integer number (128607220).

Almost surely, 22015042300 is an apocalyptic number.

2015042300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015042300 is an abundant number, since it is smaller than the sum of its proper divisors (2614817620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015042300 is a wasteful number, since it uses less digits than its factorization.

2015042300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185350 (or 1185343 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2015042300 is about 44889.2225372639. Note that the first 3 decimals coincide. The cubic root of 2015042300 is about 1263.0718489054.

Adding to 2015042300 its reverse (32405102), we get a palindrome (2047447402).

The spelling of 2015042300 in words is "two billion, fifteen million, forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 1185319 2370638 4741276 5926595 11853190 20150423 23706380 29632975 40300846 59265950 80601692 100752115 118531900 201504230 403008460 503760575 1007521150 2015042300